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Firebase vs Supabase
A detailed comparison to help you choose between Firebase and Supabase.
| Feature | Firebase | Supabase |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Free Tier | Yes | Yes |
| Monthly Cost (Solo) | $0 | $0 |
| Target Audience | solopreneurs, startups, developers | solopreneurs, startups, developers |
| Verified | Yes | Yes |
| Solo-Friendly | Yes | Yes |
| Open Source | No | Yes |
| Editorial Rating | 4.2/5 | 4.6/5 |
| Categories | Developer Tools | Developer Tools |
| Key Features | Cloud Firestore, Real-time Database, Authentication, Cloud Functions, Hosting with CDN | Full PostgreSQL database, Authentication & authorization, Real-time subscriptions, Edge Functions, File storage |
| Free Tier Quality | excellent | excellent |
Pricing Breakdown
Firebase
Spark (Free): 50K auth users, 1GB Firestore, 5GB storage, 125K function invocations. Blaze (Pay-as-you-go): $0.06/100K reads, $0.18/100K writes, $0.18/GB storage.
Supabase
Free: 500MB database, 1GB storage, 50K MAUs. Pro: $25/month (8GB database, 100GB bandwidth, daily backups). Team: $599/month (SOC 2, priority support). Enterprise: custom.
Integration Overlap
Shared Integrations (2)
Only in Firebase (8)
Only in Supabase (8)
Use Case Fit
Firebase
- * Mobile app backend
- * Real-time data synchronization
- * User authentication and authorization
- * Static website hosting
- * Push notifications
Supabase
- * Full-stack web application backend
- * Mobile app backend with real-time sync
- * Authentication and user management
- * File storage and image transformations
- * Serverless API development
Firebase
Pros
- + Extremely fast to prototype with
- + Generous free tier (Spark plan)
- + Tight integration with Google Cloud
- + Real-time sync works out of the box
- + Comprehensive mobile development suite
Cons
- - Vendor lock-in to Google ecosystem
- - Firestore query limitations can be frustrating
- - Costs can spike unpredictably at scale
- - NoSQL model not ideal for all use cases
Supabase
Pros
- + Open source — no vendor lock-in
- + Full PostgreSQL power with a managed experience
- + Generous free tier for side projects
- + Real-time and auth built in from day one
- + Excellent developer documentation
Cons
- - Fewer managed services compared to Firebase
- - Edge Functions still maturing
- - Self-hosting requires significant DevOps knowledge
- - Connection pooling can be tricky at scale
Editorial Verdict
Both tools are evenly matched on price. Firebase excels at mobile app backend, while Supabase is stronger for full-stack web application backend.
SaaSLens Editorial Team
Editorial Team